Bug 656287 – CVE-2009-5017 Firefox: overlong UTF-8 seqence detection problem

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Bug 656287 - (CVE-2009-5017) CVE-2009-5017 Firefox: overlong UTF-8 seqence detection problem

Summary:	CVE-2009-5017 Firefox: overlong UTF-8 seqence detection problem

Status:	NEW

Aliases:	CVE-2009-5017

Product:	Security Response
Classification:	Other
Component:	vulnerability (Show other bugs)
Sub Component:
Version:	unspecified
Hardware:	All Linux

Priority	low Severity low
Target Milestone:	---
Target Release:	---
Assigned To:	Red Hat Product Security
QA Contact:
Docs Contact:

URL:
Whiteboard:	public=20090821,reported=20101122,sou...
Keywords:	Security, Triaged

Depends On:	656306
Blocks:
	Show dependency tree / graph

Reported:	2010-11-23 07:32 EST by Jan Lieskovsky
Modified:	2018-10-27 07:23 EDT (History)
CC List:	4 users (show)

See Also:
Fixed In Version:
Doc Type:	Bug Fix
Doc Text:
Story Points:	---
Clone Of:
Environment:
Last Closed:
Type:	---
Regression:	---
Mount Type:	---
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RHEL 7.3 requirements from Atomic Host:
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Description Jan Lieskovsky 2010-11-23 07:32:50 EST

Common Vulnerabilities and Exposures assigned an identifier CVE-2009-5017 to
the following vulnerability:

Mozilla Firefox before 3.6 Beta 3 does not properly handle overlong UTF-8
encoding, which makes it easier for remote attackers to bypass cross-site
scripting (XSS) protection mechanisms via a crafted string, a different
vulnerability than CVE-2010-1210.

References:
[1] http://sirdarckcat.blogspot.com/2009/10/couple-of-unicode-issues-on-php-and.html
[2] http://hg.mozilla.org/releases/mozilla-1.9.2/rev/e42c563313a0
[3] https://bugzilla.mozilla.org/show_bug.cgi?id=511859
[4] https://bugzilla.mozilla.org/show_bug.cgi?id=522634

Reference public PoC:
[5] https://bugzilla.mozilla.org/show_bug.cgi?id=511859#c1

Upstream changeset:
[6] https://bugzilla.mozilla.org/show_bug.cgi?id=511859#c20

Comment 1 Jan Lieskovsky 2010-11-23 07:38:51 EST

This issue did NOT affect the versions of the firefox package, as shipped
with Red Hat Enterprise Linux 4, 5, or 6 (particular versions already
contain fix for this issue).

--

This issue affects the latest version of the firefox package, as shipped
with Fedora release of 12.

This issue does NOT affect the version of the firefox package, as shipped
with Fedora release of 13 and 14 (current latest versions already contain
fix for this issue).

Comment 3 Jan Lieskovsky 2010-11-23 08:11:25 EST

Created firefox tracking bugs for this issue

Affects: fedora-12 [bug 656306]

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